CN219141915U

CN219141915U - Integrated antifreezing flow measuring device

Info

Publication number: CN219141915U
Application number: CN202223190337.2U
Authority: CN
Inventors: 郎斌; 李贺
Original assignee: Shenyang Tamwell Technology Co ltd
Current assignee: Shenyang Tamwell Technology Co ltd
Priority date: 2022-11-30
Filing date: 2022-11-30
Publication date: 2023-06-06
Anticipated expiration: 2032-11-30

Abstract

The utility model relates to the technical field of flowmeters, in particular to an integrated antifreezing flow measuring device, which comprises: the condensing tank is internally filled with liquid medium, the upper pressure guide pipe and the lower pressure guide pipe are respectively arranged on the top surface and the bottom surface of the condensing tank and respectively extend to the inner cavity of the condensing tank so as to provide circulating pipelines of steam and cooling medium, and the input pipe is connected to the lower pressure guide pipe through the valve so as to solve the problems that in the prior art, the mode of heating the pressure guide pipe needs extra energy consumption, the failure rate is high and the heating effect is poor.

Description

Integrated antifreezing flow measuring device

Technical Field

The utility model relates to the technical field of flowmeters, in particular to an integrated antifreezing flow measuring device.

Background

The differential pressure flowmeter is used as a common device for measuring the flow, is connected to a conveying pipeline through two spaced pressure guide pipes, and obtains flow information by utilizing differential pressure signals of the two pressure guide pipes, and a condensing tank is respectively arranged between the two pressure guide pipes, so that when the flow of steam is measured, the steam is condensed into water, and the steam is sent to a differential pressure transmitter to measure differential pressure through self pressure, thereby measuring the flow;

however, the pressure guide tube of the existing flowmeter is easy to freeze due to low temperature and thus cannot be measured, the conventional method is used for heating or preserving heat through an external heating device, such as an electric heating mode and a steam heating mode, the electric heating needs energy consumption, the heating effect is poor, the failure rate is high, the steam heating is easy to influence the condensing effect due to the high steam temperature, a matched line is needed, and the limitation is high.

Disclosure of Invention

The utility model aims to provide an integrated antifreezing flow measuring device, which is used for solving the problems of extra energy consumption, high failure rate and poor heating effect in the heating mode of a pressure guide pipe in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: an integrated antifreeze flow measurement device, comprising: the condensing tank is filled with liquid medium, the upper pressure guide pipe and the lower pressure guide pipe are respectively arranged on the top surface and the bottom surface of the condensing tank and respectively extend to the inner cavity of the condensing tank so as to provide a circulation pipeline of steam and cooling medium, and the input pipe is connected to the lower pressure guide pipe through the valve.

Preferably, the freezing point of the liquid medium is between-40 ℃ and-60 ℃ and the boiling point is above 100 ℃.

Preferably, the top surface of the condensing tank is provided with an air hole, and the air hole is connected with a closing bolt in a threaded manner.

Preferably, the lower extension end of the upper impulse pipe is positioned in the condensing tank and is close to the bottom surface of the inner cavity of the condensing tank, and the upper extension end of the lower impulse pipe is positioned in the condensing tank and is close to the top surface of the inner cavity of the condensing tank.

Preferably, the valve is a three-way valve, and the input pipe is connected with the lower impulse pipe.

Compared with the prior art, the utility model has the beneficial effects that: according to the integrated antifreezing flow measuring device, antifreezing liquid medium is filled in the condensing tank and matched with the pressure guide pipe extending to the condensing tank, the pressure of steam is utilized to promote the flow of the liquid medium, so that the pressure guide pipe and the liquid medium with antifreezing property flowing in the transmitter are enabled to be used, and the problem that the pressure guide pipe and the loosener cannot be measured even damaged due to icing of the pressure guide pipe in a low-temperature environment is avoided.

Drawings

FIG. 1 is a schematic cross-sectional view of the structure of the present utility model;

fig. 2 is a front view of the present utility model.

In the figure: 11. the condensing tank comprises a condensing tank body 12, air holes 13, a closing bolt 2, an upper pressure guiding pipe 31, a lower pressure guiding pipe 32, an input pipe 33, a valve 4 and a liquid medium.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-2, the present utility model provides an integrated anti-freezing flow measurement device, and the detailed connection means thereof are known in the art, and mainly introduce the working principle and process as follows.

An integrated antifreeze flow measurement device, comprising: the condensing tank 11, go up the impulse pipe 2, down impulse pipe 31, input tube 32 and valve 33, condensing tank 11 is tank structure, and the inner chamber is filled with liquid medium 4, go up impulse pipe 2 and down impulse pipe 31 and install respectively at condensing tank 11's top surface and bottom surface, and extend to condensing tank 11's inner chamber respectively, in order to provide the circulation pipeline of steam and cooling medium, input tube 32 passes through valve 33 and connects on impulse pipe 31 down, is used for pouring into liquid medium 4 in the condensing tank 11.

The freezing point of the liquid medium 4 is between-40 ℃ and-60 ℃ and the boiling point is above 100 ℃, and the liquid medium 4 comprises but is not limited to antifreeze, meets the required freezing point and boiling point range and is not water-soluble.

The top surface of the condensation tank 11 is provided with a vent hole 12, and the vent hole 12 is connected with a closing bolt 13 in a screwed manner, so that when the liquid medium 4 is injected into the condensation tank 11, the injection state can be observed by observing the vent hole 12.

The lower extension end of the upper impulse pipe 2 is positioned in the condensation tank 11 and is close to the bottom surface of the inner cavity of the condensation tank 11, the upper extension end of the lower impulse pipe 31 is positioned in the condensation tank 11 and is close to the top surface of the inner cavity of the condensation tank 11, wherein the length of the upper extension end of the lower impulse pipe 31 is between the top surface and the bottom surface of the inner cavity of the condensation tank 11, the upper extension end of the lower impulse pipe 31 is higher than the lower extension end of the upper impulse pipe 2, and the flow direction of steam is conveyed into the condensation tank 11 from the upper extension end of the lower impulse pipe 31.

The valve 33 is a three-way valve 33, the input pipe 32 is connected with the lower impulse pipe 31, the bottom end of the lower impulse pipe 31 is an A end, the top end of the lower impulse pipe 31 is a B end, the input end of the input pipe 32 is a C end, and the adjustment of the A-B and C-B paths can be controlled respectively by adjusting the valve 33.

Examples:

the valve 33 is adjusted to make C-B be a passage, A-B be closed, the air hole 12 is opened, liquid medium 4 is injected into the condensation tank 11 through the input pipe 32 in a pressure injection mode, the liquid medium 4 enters the condensation tank 11 through the upper extending end of the lower guide pipe, after the condensation tank 11 is full of the liquid medium 4, the air hole 12 can be closed through the air hole 12 at the moment by using the closing bolt 13, meanwhile, the injection of the liquid medium 4 is stopped, the valve 33 is adjusted to make A-B form a passage, C-B is closed, steam in a pipeline is injected into the condensation tank 11 through the lower guide pipe 31, the steam is positioned at the top of the condensation tank 11 due to the fact that the density of the steam is smaller than that of the liquid medium 4, and meanwhile, the pressure of the steam presses the liquid medium 4 into a differential pressure transmitter connected with the top end of the upper guide pipe 2, so that a measurement result is obtained, and meanwhile, the problem that data cannot be measured even the guide pipe and the transmitter are damaged due to icing can be guaranteed under a low-temperature environment.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An integrated antifreeze flow measurement device, comprising: the condensing tank is filled with liquid medium, the upper pressure guide pipe and the lower pressure guide pipe are respectively arranged on the top surface and the bottom surface of the condensing tank and respectively extend to the inner cavity of the condensing tank so as to provide a circulation pipeline of steam and cooling medium, and the input pipe is connected to the lower pressure guide pipe through the valve.

2. The integrated antifreeze flow measurement device of claim 1, wherein: the freezing point of the liquid medium is between-40 ℃ and-60 ℃ and the boiling point is above 100 ℃.

3. The integrated antifreeze flow measurement device of claim 1, wherein: the top surface of the condensing tank is provided with an air hole, and the air hole is connected with a closing bolt in a threaded manner.

4. The integrated antifreeze flow measurement device of claim 1, wherein: the lower extension end of the upper impulse pipe is positioned in the condensing tank and is close to the bottom surface of the inner cavity of the condensing tank, and the upper extension end of the lower impulse pipe is positioned in the condensing tank and is close to the top surface of the inner cavity of the condensing tank.

5. The integrated antifreeze flow measurement device of claim 1, wherein: the valve is a three-way valve, and the input pipe is connected with the lower impulse pipe.